let me start over sorry for my mess
ok i have a 2.5L 120hp mercuiser with a 15inX17p 3 blade aluminum prop it is reving a little hard at 4800rpm and about 35mph its on a 16ft tri hull fiberglass boat i dont know exact weight but i think its close to 2500lb fully loaded its not really a very big...
I have a 1977 tri hull 16ft with a 120hp mercuser pre alpha the rpm range on the motor is 3900 4300 dont really know what it weights the prop that i got with the boat is reving 5000 and i can not figure out what pitch it is
I was wondering if any one new of a way to check for cracks in a cylinder i over heated it a little bit last year when water pump went out and the hot bulb was out i've got fire on all 4 cyl but the 2nd one keep loading up cant tell if its carb flooding or water getting in there any ideas would...